The length of time to complete Dungeons of Eternity VR will vary depending on a number of factors, including your skill level, playstyle, and whether you are playing solo or with friends.
Solo: If you are playing solo, you can expect the game to take around 10-12 hours to complete. This includes completing all 12 dungeons, completing the main storyline, and unlocking all of the basic gear and abilities.
Co-op: If you are playing with friends, you can expect the game to take around 8-10 hours to complete. This is because you will be able to work together to clear dungeons more quickly and efficiently.
Endgame content: Once you have completed the main storyline, there is still a lot of endgame content to keep you busy. This includes completing additional dungeons, unlocking new gear and abilities, and participating in PvP challenges. If you want to complete all of the endgame content, you can expect the game to take around 20-30 hours to complete.
Here is a more detailed breakdown of the different playtimes:
Main storyline: 10-12 hours (solo), 8-10 hours (co-op)
Endgame content: 10-18 hours (solo), 8-16 hours (co-op)
Total playtime: 20-30 hours
Of course, these are just estimates. The actual amount of time it takes you to complete the game will vary depending on your own individual playstyle.